南京大学扬声器与传声器的声学测量——纪念沙家正先生

Acoustics Meacurement of Loudspeaker and Microphone in Nanjing University——In Memory of Sha Jiazheng

介绍了沙家正先生对电声器件及其系统的理论和测量所进行的研究,其中包括传声器自由声场灵敏度的非消声室测量、声柱的指向性、频响、效率和谐振频率,扬声器的声学理论及声学测量等,为中国电声事业的发展做出了突出贡献。

The research of electro - acoustic device and its system theory and measurement studies by Mr Sha Jiazheng are introduced including anechoic chamber measurement of microphone free sound field sensitivity, directive property of sound column, frequency response, the efficiency and resonant frequency, acoustics theory of loudspeaker and acoustics measure- ment, etc. The contribution for electro - acoustic of China is given.